* refactor: ⚰

️ Remove flattner from Makefile
Signed-off-by: Prashant Shahi <prashant@signoz.io>

* refactor: ⚰

️ Remove deprecated Druid leftover files
Signed-off-by: Prashant Shahi <prashant@signoz.io>
Co-authored-by: Pranay Prateek <pranay@signoz.io>